Back-to-Back Pacific Storms to Impact the West Coast; Heavy Snow in the Central Appalachians

Back-to-back powerful Pacific storm systems to impact the Pacific Northwest and northern California through the end of this week with heavy rain, flooding, strong winds, and higher elevation mountain snow. A strong, long-duration atmospheric river will accompany the Pacific storms, bringing excessive rainfall and flash flooding to southwest Oregon and northwest California through the week. Read More >

Hazardous Weather Conditions

Last Update: 428 AM AST Thu Nov 21 2024

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San Juan, PR Local Forecast Office

25NM WNW San Juan PR

Marine Zone Forecast


Today
East winds 5 to 10 knots, becoming northeast this afternoon. Seas 4 to 5 feet, occasionally to 6 feet. Wave detail: north 5 feet at 11 seconds and east 1 foot at 5 seconds. Isolated showers until late afternoon, then scattered showers late.
Tonight
Southeast winds around 5 knots. Seas 4 to 5 feet, occasionally to 6 feet. Wave detail: north 4 feet at 11 seconds. Scattered showers.
Friday
Southeast winds around 5 knots, becoming east in the afternoon. Seas 4 to 5 feet, occasionally to 6 feet. Wave detail: north 4 feet at 10 seconds. Scattered showers in the morning, then numerous showers in the afternoon.
Friday Night
Southeast winds around 5 knots. Seas around 4 feet, occasionally to 5 feet. Wave detail: north 4 feet at 10 seconds.
Saturday
East winds around 5 knots. Seas 3 to 4 feet, occasionally to 5 feet. Wave detail: north 3 feet at 10 seconds and northeast 1 foot at 17 seconds. Scattered showers in the afternoon.
Saturday Night
East winds 5 to 10 knots. Seas 3 to 4 feet, occasionally to 5 feet. Wave detail: north 3 feet at 10 seconds and northeast 2 feet at 4 seconds. Numerous showers.
Sunday
East winds 10 to 15 knots. Seas 4 to 5 feet, occasionally to 6 feet. Scattered showers in the afternoon.
Sunday Night
East winds 10 to 15 knots. Seas 5 to 7 feet, occasionally to 9 feet. Scattered showers in the evening.
Monday
East winds 10 to 15 knots. Seas 6 to 7 feet, occasionally to 9 feet. Scattered showers.
Monday Night
East winds 10 to 15 knots. Seas around 6 feet, occasionally to 8 feet. Scattered showers.



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428 AM AST Thu Nov 21 2024
 
 

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